# KB4462143: February 2019 security update

KB4462143, released February 12, 2019, fixes 3 CVEs across 2 products. One of them is being exploited (CVE-2019-0604); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb4462143
- Platform: Microsoft
- Released: Feb 12, 2019
- Priority: Patch now (Closes CVE-2019-0604, exploited (CISA KEV, ransomware))
- CVEs: 3, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://support.microsoft.com/help/4462143

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft SharePoint Foundation 2013 Service Pack 1](https://patchblox.com/security/data/product/microsoft/microsoft-sharepoint-foundation-2013-service-pack-1.md) |  |  |
| [Microsoft SharePoint Server 2013 Service Pack 1](https://patchblox.com/security/data/product/microsoft/microsoft-sharepoint-server-2013-service-pack-1.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-0604](https://patchblox.com/security/data/cve/CVE-2019-0604.md) | Patch now | Microsoft Office SharePoint | n/a | 0.9991 | CISA KEV, Ransomware |
| [CVE-2019-0594](https://patchblox.com/security/data/cve/CVE-2019-0594.md) | Urgent | Microsoft Office SharePoint | n/a | 0.1206 |  |
| [CVE-2019-0670](https://patchblox.com/security/data/cve/CVE-2019-0670.md) | Routine | Microsoft Office SharePoint | n/a | 0.0246 |  |

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Data as of 2026-11-07T18:46:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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